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Finding the Fourth Proportional to 613,627.56, 846,372.17 and 531,807.79

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Solution

The fourth proportional to 613,627.56, 846,372.17 and 531,807.79 is: 733,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,627.56 : 846,372.17 = 531,807.79 : x
  2. Step 2: Convert to fraction form
    613,627.56/846,372.17 = 531,807.79/x
  3. Step 3: Cross multiply
    613,627.56x = 846,372.17 × 531,807.79
  4. Step 4: Simplify right side
    613,627.56x = 450,107,314,031.62
  5. Step 5: Solve for x
    x = 450,107,314,031.62/613,627.56
  6. Step 6: Final answer
    x = 733,518.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.